Home / 250,543,998-345,750,010.20-139,051,672.56

Finding the Fourth Proportional to 250,543,998, 345,750,010.20 and 139,051,672.56

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Solution

The fourth proportional to 250,543,998, 345,750,010.20 and 139,051,672.56 is: 191,890,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,543,998 : 345,750,010.20 = 139,051,672.56 : x
  2. Step 2: Convert to fraction form
    250,543,998/345,750,010.20 = 139,051,672.56/x
  3. Step 3: Cross multiply
    250,543,998x = 345,750,010.20 × 139,051,672.56
  4. Step 4: Simplify right side
    250,543,998x = 48,077,117,205,947,056
  5. Step 5: Solve for x
    x = 48,077,117,205,947,056/250,543,998
  6. Step 6: Final answer
    x = 191,890,915.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.